Finding the Fourth Proportional to 108,663.83, 149,969.42 and 68,379.29

Step by Step Solution

1. Step 1: Write the proportion equation
   108,663.83 : 149,969.42 = 68,379.29 : x
2. Step 2: Convert to fraction form
   108,663.83/149,969.42 = 68,379.29/x
3. Step 3: Cross multiply
   108,663.83x = 149,969.42 × 68,379.29
4. Step 4: Simplify right side
   108,663.83x = 10,254,802,573.01
5. Step 5: Solve for x
   x = 10,254,802,573.01/108,663.83
6. Step 6: Final answer
   x = 94,371.81